63660615132 has 24 divisors (see below), whose sum is σ = 149048410896. Its totient is φ = 21147779968.

The previous prime is 63660615107. The next prime is 63660615157. The reversal of 63660615132 is 23151606636.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63660615107) and next prime (63660615157).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9049473 + ... + 9056504.

It is an arithmetic number, because the mean of its divisors is an integer number (6210350454).

Almost surely, 2^63660615132 is an apocalyptic number.

It is an amenable number.

63660615132 is an abundant number, since it is smaller than the sum of its proper divisors (85387795764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63660615132 is a wasteful number, since it uses less digits than its factorization.

63660615132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18106277 (or 18106275 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 63660615132 in words is "sixty-three billion, six hundred sixty million, six hundred fifteen thousand, one hundred thirty-two".